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SG77183A1 - Disk drive apparatus - Google Patents

Disk drive apparatus

Info

Publication number
SG77183A1
SG77183A1 SG1998001426A SG1998001426A SG77183A1 SG 77183 A1 SG77183 A1 SG 77183A1 SG 1998001426 A SG1998001426 A SG 1998001426A SG 1998001426 A SG1998001426 A SG 1998001426A SG 77183 A1 SG77183 A1 SG 77183A1
Authority
SG
Singapore
Prior art keywords
disk drive
drive apparatus
disk
drive
Prior art date
Application number
SG1998001426A
Inventor
Nobuya Matsubara
Fuminori Sai
Yuzo Nakagawa
Original Assignee
Ibm
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ibm filed Critical Ibm
Publication of SG77183A1 publication Critical patent/SG77183A1/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09—Digital recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10018—Improvement or modification of read or write signals analog processing for digital recording or reproduction
    • G11B20/10027—Improvement or modification of read or write signals analog processing for digital recording or reproduction adjusting the signal strength during recording or reproduction, e.g. variable gain amplifiers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10037—A/D conversion, D/A conversion, sampling, slicing and digital quantisation or adjusting parameters thereof
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2508—Magnetic discs
    • G11B2220/2516—Hard disks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Digital Magnetic Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
SG1998001426A 1997-06-20 1998-06-16 Disk drive apparatus SG77183A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9164130A JPH1116305A (en) 1997-06-20 1997-06-20 Disk drive device

Publications (1)

Publication Number Publication Date
SG77183A1 true SG77183A1 (en) 2000-12-19

Family

ID=15787325

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1998001426A SG77183A1 (en) 1997-06-20 1998-06-16 Disk drive apparatus

Country Status (5)

Country Link
US (1) US6424476B1 (en)
JP (1) JPH1116305A (en)
KR (1) KR100290268B1 (en)
SG (1) SG77183A1 (en)
TW (1) TW413802B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8161361B1 (en) 2003-01-28 2012-04-17 Marvell International Ltd. Averaging signals to improve signal interpretation
US7715136B2 (en) * 2006-04-11 2010-05-11 Texas Instruments Incorporated Hard disk drive preamplifier with reduced pin count
US9430148B2 (en) * 2014-05-01 2016-08-30 Avago Technologies General Ip (Singapore) Pte. Ltd. Multiplexed synchronous serial port communication with skew control for storage device
US11735210B2 (en) 2021-12-21 2023-08-22 Western Digital Technologies, Inc. Preamplifier with read/write power channels

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5233482A (en) 1991-07-31 1993-08-03 International Business Machines Corporation Thermal asperity compensation for PRML data detection
US5321559A (en) 1992-08-27 1994-06-14 Quantum Corporation Asynchronous peak detection of information embedded within PRML class IV sampling data detection channel
JP3154898B2 (en) 1994-09-02 2001-04-09 キヤノン株式会社 Optical information recording / reproducing device
JPH0883403A (en) 1994-09-12 1996-03-26 Toshiba Corp Data recording and reproducing device and its data reproducing method
EP0718751A3 (en) * 1994-12-23 1997-02-12 Ibm Electronic circuit apparatus employing small disk drive with reconfigurable interface
JPH08293176A (en) 1995-04-21 1996-11-05 Fujitsu Ltd Disk unit
JPH08315529A (en) 1995-05-20 1996-11-29 Ricoh Co Ltd Information storage unit
JP3257939B2 (en) 1995-11-21 2002-02-18 富士通株式会社 Disk drive and head positioning control method for disk drive
US5726821A (en) * 1995-12-22 1998-03-10 Western Digital Corporation Programmable preamplifier unit with serial interface for disk data storage device using MR heads
US5829011A (en) * 1997-01-31 1998-10-27 Texas Instruments Incorporated Apparatus and method of exchanging data and operational parameters in a mass storage system

Also Published As

Publication number Publication date
US6424476B1 (en) 2002-07-23
JPH1116305A (en) 1999-01-22
KR19990006417A (en) 1999-01-25
KR100290268B1 (en) 2001-05-15
TW413802B (en) 2000-12-01

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